11results about How to "Various control methods" patented technology

The invention belongs to the technical field of photonic crystals, and particularly relates to a photonic lattice capable of cutting boundaries in various modes and a method for generating a boundary state. In order to provide crystal lattices with a larger existence range, the evanescent coupling straight waveguides comprise a plurality of uniformly distributed crystal lattice points, the evanescent coupling straight waveguides are arranged on the crystal lattice points, every three crystal lattice points form a primitive cell, and the three crystal lattice points in each primitive cell form an equilateral triangle. The interfaces on the two sides of the evanescent coupling straight waveguide are arranged to be one or two of an alpha-zigzag shape, a beta-zigzag shape and a beam shape. According to the method, construction is simple, various boundaries can be cut, and two different types of boundary states are supported.

The utility model discloses a multi-element accurate proportioning low-temperature brimstone furnace control system, which mainly comprises a central controller, and a data acquisition unit, a fan driving unit, a molten sulfur control unit, a metering pump control unit, an atomization control unit, an ignition control unit, a hearth positive and negative pressure protection unit and a brimstone furnace high and low temperature protection unit which are connected with and controlled by the central controller. The sulfur combustion furnace system automatically and accurately distributes air and sulfur according to the squeezing amount or the flow, the stoving intensity and the like, and the problems that due to the fact that an existing sulfur combustion furnace system is inaccurate in air distribution and sulfur distribution, combustion is insufficient, sublimed sulfur is much, and technological indexes are unstable are solved.

The application belongs to the technical field of air conditioners and heat management systems, and particularly relates to an integrated heat pump air conditioner and heat management system and a control method thereof, wherein the integrated heat pump air conditioner and heat management system comprises a refrigerant circulation system, a refrigerant liquid circulation system, a first heat management system and a second heat management system. The refrigerant circulation system, the refrigerant liquid circulation system, the first heat management system and the second heat management system provided by the application can ensure the heating, refrigeration, dehumidification and demisting and other functions and comfort of the vehicle air conditioner system, fully meet the needs of users, and meet the requirements of energy saving and consumption reduction, easy assembly, easy maintenance, good durability, high reliability and light weight, and the control method is intelligent, perfect and reasonable. In addition, the main scene used by the application has the characteristics of typicalization, simplification and rationalization, is conducive to the optimal design of the six-way valve and the eight-way valve, and thus the target of reducing water resistance and system operation noise is achieved.

This invention provides a superconducting excitation device and method, comprising: a superconducting tape; the superconducting tape includes a first superconducting tape and a second superconducting tape; one end of the long side of the first and second superconducting tapes is connected, and the other end is not connected; the superconducting tape is connected to a superconducting load to form a closed loop, a first terminal is connected to one end of the superconducting load, and a second terminal is connected to the other end of the load; a transmission current flows into the first superconducting tape through the first terminal and flows out from the second terminal, with the transmission currents in opposite directions on the first and second superconducting tapes; when the superconducting tape is placed in a changing magnetic field, when the transmission current is greater than the superconducting load current and the direction of the transmission current is the same as the direction of the load current, under the action of the opposite-direction transmission currents on the first and second superconducting tapes, the magnetic flux of the changing magnetic field links with the closed loop, thereby increasing the current of the superconducting load, so as to regulate the current of the superconducting load through the linked magnetic flux. This invention can achieve high-precision regulation of the superconducting load current.

The application provides a traffic signal lamp intelligent regulation system, and relates to the technical field of traffic regulation.The system comprises a traffic information collection unit and an upper computer software system;by fusing modern frontier technologies such as the Internet of Things, big data and geomagnetic field measurement, and combining scientific theories such as automatic control theory, operations research and artificial intelligence, a traffic signal lamp self-adaptive control system based on period time expansion is constructed, and the green light release time is automatically adjusted according to the real-time arrival condition of the traffic flow at the intersection.

A self-suction physiotherapy instrument comprises an air bag, an outer cover, an inner chamber, a main control circuit board and a flexible circuit board, a cover top plate in the outer cover is connected with the bottom of the air bag, the top of the air bag is connected with the main control circuit board, the periphery of the cover top plate is connected with a cover top opening of a cover side wall extending downwards, and the top of the inner chamber is connected with the cover top plate in a sealed mode. The chamber bottom is connected with the flexible bottom layer in a sealed mode, the top face of the flexible bottom layer makes contact with the bottom face of the flexible circuit board, the flexible circuit board and the battery are both located in the inner chamber, and the chamber side wall and the cover top plate are provided with side air holes and air suction holes respectively. An outer partition cavity formed between the chamber side wall and the cover side wall sequentially passes through the side air holes, the chamber inner cavity and the air suction holes and then communicates with the interior of the air bag, and the main control circuit board is in circuit connection with the battery and the flexible circuit board. The design is high in simplicity degree and easy to carry and use.

The present application relates to rectification technical field, particularly to a kind of rectification tower system balance full-automatic separation control method, rectification tower system includes rectification I tower, control method includes to rectification I tower is carried out material balance control and gas-liquid equilibrium control, gas-liquid equilibrium control is used to control the amount of backflow of material backflow to rectification I tower;The material balance control includes: detecting the actual feed flow of rectification I tower and the actual liquid level value of the first reflux tank corresponding to rectification I tower, in combination with the overhead take-off component set point of rectification I tower and the overhead take-off component density, the overhead take-off material flow of rectification I tower is calculated and controlled in real time.By the method, the stability and efficiency of rectification tower system are improved, and the energy consumption cost and the volatility problem of product are reduced.

An improved leachate treatment integrated device for a garbage transfer station belongs to the technical field of sewage treatment and garbage leachate treatment, and is characterized in that a water producing pump, a water producing tank, a fan, a dosing device and an electric control cabinet are arranged in an equipment room. The internal structure is compact, functions are complete, and operation regulation and control are intelligent. The system regulation and control modes of water inlet, backflow, dosing, cooling and the like in the equipment are diversified, the biochemical treatment efficiency can be effectively improved, and through point water inlet, multi-stage AO, multi-point backflow, air pipe communication, intelligent control and the like, the addition amount of an external carbon source and the aeration air volume of a fan can be effectively reduced, and the total nitrogen can be efficiently removed, so that the energy conservation, consumption reduction, cost reduction and efficiency improvement of a project are realized; the device is low-carbon equipment in the field of leachate treatment.

The application relates to a digital control gain high-fidelity input amplification circuit which comprises an MCU, an analog switch U17, an operational amplifier, an electronic volume controller U16, the 7th and 8th pins of the analog switch U17 are connected to the IO output high-low level signals of the MCU, the analog switch U17 is connected to the operational amplifier, the operational amplifier is connected to the electronic volume controller U16, and the MCU is also connected to the electronic volume controller U16. The circuit of the application is composed of an SGM4519 analog switch, an NJM2122M operational amplifier (the highest gain is 28.95dB) and an NJW1195A electronic volume controller (the highest gain is 31.5dB), a high-fidelity adjustable gain amplifier with a total gain of 60.45dB is realized, and the control mode can be diversified, for example, a potentiometer control, an encoder control, a button control or an upper computer control.

The application discloses a virtual object control method, device and equipment and a computer readable storage medium, and belongs to the technical field of computers. The method comprises the following steps: displaying a virtual space corresponding to a first virtual object; in response to a triggering operation on the virtual space and the intimacy between the first virtual object and a master virtual object meeting an intimacy requirement, displaying first information and an unlocking control, wherein the first information comprises resources that can be obtained by unlocking a first node in a first level, the first level is a level that needs to be currently unlocked, and the first node is a node that needs to be currently unlocked in the first level; and in response to a triggering operation on the unlocking control, controlling the master virtual object to obtain the resources included in the first information. The method makes the control mode of the virtual object diversified and more flexible.

The application discloses a low-temperature preservation cabinet and a control method of a variable-frequency fan thereof, and belongs to the technical field of refrigeration of the low-temperature preservation cabinet. The low-temperature preservation cabinet comprises a cabinet body and a compressor chamber, and the compressor chamber is internally provided with a condenser, a variable-frequency fan, a compressor, an electric control box and a sensor; the condenser is fixed at the front part of the compressor chamber; the variable-frequency fan is fixed on the condenser; the electric control box is fixed at the right rear part of the compressor chamber and is connected with the compressor and the variable-frequency fan through a circuit. The method reduces the noise and energy consumption of the low-temperature preservation cabinet, prolongs the service life of the fan, reduces the maintenance rate of the low-temperature preservation cabinet and lowers the cost; the rotating speed of the fan of the low-temperature preservation cabinet is associated with the condenser temperature, the ambient temperature and the start-stop state of the compressor, the control method is various, different maximum rotating speed values are set according to the start and stop states of the compressor, the noise and energy consumption are reduced, the effective use of energy is better promoted, the cost investment is reduced, and the sustainable development is favorable.